GMC Terrain: Interior Lighting / Reading Lamps

There are reading lamps on the overhead console and over the rear passenger doors. These lamps come on when any door is opened.

GMC Terrain. Reading Lamps

Front Reading Lamps

The front reading lamps are in the overhead console.

Press the lamp lenses to turn the front reading lamps on or off.

GMC Terrain. Reading Lamps

Rear Reading Lamps

Press the lamp lens to turn the rear passenger reading lamps on or off.

For more information on interior lighting, see Instrument Panel Illumination Control.

    Dome Lamps

    The dome lamp controls are in the overhead console. To operate, press the following buttons: : Press to turn off the dome lamps when a door is open...

    Exterior Lighting

    The exterior lamp control is on the instrument panel to the left of the steering column. There are four positions. : Turns the exterior lamps off and deactivates the AUTO mode...

    Other information:

    GMC Terrain 2018-2026 Owners Manual: Vehicle Data Recording and Privacy


    The vehicle has a number of computers that record information about the vehicle’s performance and how it is driven. For example, the vehicle uses computer modules to monitor and control engine and transmission performance, to monitor the conditions for airbag deployment and deploy them in a crash, and, if equipped, to provide antilock braking to help the driver control the vehicle...

    GMC Terrain 2018-2026 Owners Manual: Battery Load Management,  Battery Power Protection and Exterior Lighting Battery Saver


    Battery Load Management The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When the battery's state of charge is low, the voltage is raised slightly to quickly bring the charge back up...

    Copyright © 2026 www.gmcterrain2.com